[Wayne 962]

I would use the blue Loctite - the studs backing out are not exactly the failure mode of the 2.7 and with the timecerts in there, you will have Dilavar stud / steel insert contact.

I would use a collet on the stud, and then just a big set of vice-grips on the cert. If that doesn't work, nick the outer edges of the certs with a Dremmel tool until you can separate the crack you just made with a small screwdriver.

-Wayne